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POOracle instant client with C# windows forms application
 

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    <p>I have been looking for this for long time , I have developed Windows Forms App using C # that have to connect Oracle database, this app will be used on many PCs using windows XP and windows 7 After long research i have found that i need to use OBP.net for oracle access but problem is i cannot install oracle client on every PC, However i found work around in <a href="http://www.codeproject.com/Articles/18692/Instant-Oracle-Using-C" rel="nofollow">CodePorject Example</a>to download 5 DLL files to do the same job </p> <pre><code>OCI Instant Client Data Shared Library oraociicus10.dll (Basic-Lite version) oraociei10.dll (Basic version) Client Code Library oci.dll Security Library orannzsbb10.dll OCCI Library oraocci10.dll </code></pre> <p>But when i release the app it dosent connect to Oracle Database Please help how i can have my Windows Forms app connecting Oracle Database with no oracle client installed PC and if this is achievable through the above DLLS how i can do that ?</p> <p><strong>EDIT:</strong></p> <pre><code>DataTable dt = new DataTable(); OracleConnection Oracle_connection = new OracleConnection(); Oracle_connection.ConnectionString = con; Oracle_connection.Open(); </code></pre> <p>got connection timeout, in <code>Oracle_connection.Open();</code> in debugging mode and I dont use TNSNAMES.ORA as my connection string is as</p> <pre><code>Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.20.2.54)(PORT = 1521))(CONNECT_DATA = (SERVER = DEDICATED)(SERVICE_NAME = PRD))) ;User Id=catering;Password=catering;"` </code></pre> <p>Tried to publish the code it worked on Windows 7 PC but didnt work on Windows XP <code>System.TypeInitializationException: The type initializer for 'Oracle.DataAccess.Client.OracleConnection' threw an exception. ---&gt; Oracle.DataAccess.Client.OracleException The provider is not compatible with the version of Oracle client at Oracle.DataAccess.Client.OracleInit.Initialize()</code></p> <p>Dunno if it's windows related or some DLLs are missing</p>
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    1. USAhmed Samy
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    1. CO"It doesn't connect to Oracle Database" are you getting an exception (which one?) The CodeProject example has some troubleshooting tips, did you read those?
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    2. CODo you have an appropriate TNSNAMES.ORA file in the same directory or do you have the appropriate connection string?
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    3. COThank you for your reply, edit my question already
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